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In chemistry, pH is a scale used to specify the acidity or BASICITY of an aqueous solution. Acidic solutions are measured to have lower pH values than basic or alkaline solutions. The pH scale is logarithmic and inversely indicates the concentration of hydrogen ions in the solution.

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ong>Answer:

B The concentration of water MOLECULES in SURROUNDING medium is HIGHER than in the cell

Explanation:

Because through diffusion water around the cell would ENTER the cell making it swell up

Food grains

Explanation:

I hope that HELP you

ong>Explanation:

chemical COMPOUND is a chemical SUBSTANCE composed of many IDENTICAL molecules composed of atoms from more than ONE element held together by chemical BONDS. A molecule consisting of atoms of only one element is therefore not a compound

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Symbols REPRESENT atoms and not molecules.

Explanation:

ong>Answer:

Global warming is the long-term heating of Earth's climate system observed SINCE the pre-industrial period (between 1850 and 1900) DUE to human activities, PRIMARILY fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.

ong>ANSWER:

The MOLE is the unit of MEASUREMENT for amount of substance in the International System of Units. It is defined as exactly 6.02214076×10²³ particles, which may be atoms, MOLECULES, ions, or electrons.

then SYSTEM of the reasons of MULTIPLICATION of the MO

Molecule, a GROUP of TWO or more atoms that form the smallest IDENTIFIABLE unit into which a pure substance can be divided and still RETAIN the composition and chemical properties of that substance.

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your answer is 3 DARMSTADTIUM

ong>ANSWER:

Life SCIENCE is the study of life and living organisms. Life science is also called biology. ... Therefore, life science is divided into MANY fields, such as ecology, botany, and ZOOLOGY. Two theories underlie all of the fields of life science: the cell theory and the theory of evolution by natural selection.

meristematic tissues is the ODD ONE

ong>Answer:

Explanation:

An atom is the smallest unit of ordinary matter that forms a chemical element. Every SOLID, LIQUID, gas, and plasma is composed of NEUTRAL or ionized atoms. Atoms are extremely small, typically AROUND 100 picometers across. 

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ong>Answer:

Saliva CONTAINS the enzyme amylase, also called ptyalin, which is capable of breaking down starch into SIMPLER SUGARS such as maltose and dextrin that can be further BROKEN down in the small intestine. About 30% of starch digestion takes place in the mouth cavity.

er:

EXPLANATION:

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ong>ANSWER:

When magnesium ribbon is burnt in the air, it COMBINES with oxygen to form white powder magnesium oxide MgO with the release of heat and LIGHT. It forms a white powder of magnesium oxide. Magnesium gives up two electrons to oxygen atoms to form this POWDERY PRODUCT.

ong>Answer:

Doctor USED X-ray TECHNIQUE to detect the injuries of ramesh . X-ray machines are used to examine the DESIRED INTERNAL STRUCTURE of body.

ong>ANSWER:

the VALUE of G will be double

ong>Answer:

Physical changes are changes AFFECTING the form of a chemical substance, but not its chemical composition. ... Examples of physical properties include melting, transition to a GAS, change of strength, change of durability, changes to CRYSTAL form, textural change, shape, size, color, VOLUME and density.

ong>Answer:

A wildlife sanctuary is an area where animal HABITATS and their surroundings are protected from any sort of disturbance. The capturing, killing and POACHING of animals is strictly prohibited in these regions. They aim at providing a comfortable LIVING to the animals

it's Water cycle

Explanation:

a. it's Water cycle

b. evaporation- water GETTING evaporated

CONDENSATION- water getting condensed

precipitation- water getting precipitate

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ong>ANSWER:

I am Rishi Chandan Singh and sent it to you and your FAMILY and FRIENDS and family's home work aadi has to be dropped off the class start the class start the PROCESS 66

ong>Answer:

blade embedded inside the sharpener is made up of IRON and it is ATTRACTED to magnets

ong>Answer:

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EXPLANATION:

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Theoretical physics began at LEAST 2,300 years AGO, under the Pre-socratic philosophy, and continued by PLATO and Aristotle, whose views held sway for a millennium.

ong>ANSWER:

Explanation:

Chemical changes occur when a SUBSTANCE combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more DIFFERENT substances. These PROCESSES are called chemical reactions and, in general, are not REVERSIBLE except by further chemical reactions. 

ong>Answer:

Friction is the force resisting the relative motion of solid SURFACES, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.

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false

Explanation:

If the HEIGHT INCREASES the pressure also increase . so that some VARIATION in the atmosphere

ong>Answer:

a FARMING system that combines PHYSICALLY, SOCIAL and economic FUNCTIONS on the area land AROUND the family homes.

Explanation:

ong>Answer:

When magnesium ribbon is burnt in the air, it combines with OXYGEN to form white powder magnesium oxide MGO with the release of heat and light. It forms a white powder of magnesium oxide. Magnesium gives up two electrons to oxygen atoms to form this POWDERY product.

FERTILIZER is CORRECT answer

The answer is HINGE JOINT

>☞AN EARTHQUAKE IS A NATURAL DISASTER.

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HERBIVORE - rabbit

carnivore - tiger

scavenger - hyena

decomposer - fungi

Explanation:

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er:

Explanation:

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जनसंख्या में वृद्धि का कारण: -

• दरिद्रता (गरीब)
• शिक्षा की कमी, साक्षरता
• बेरोजगारी में वृद्धि
• महंगा जीवनयापन
• धार्मिक अंधविश्वास
• बेहोशी= unawareness
• जन्म दर
• मृत्यु दर
• परिवार नियोजन के प्रति उदासीन
• बाल विवाह और बहु विवाह प्रणाली।

__________________

कई अन्य कारक हैं जो जैसे कारण हैं कम जीवन प्रत्याशा, प्राकृतिक संसाधनों की कमी, पानी की कमी, आव्रजन आदि।

ong>Answer:

Kepler's three laws of planetary motion can be stated as follows: (1) All planets move about the Sun in ELLIPTICAL orbits, having the Sun as one of the foci. (2) A radius VECTOR joining any planet to the Sun sweeps out equal AREAS in equal lengths of TIME. ... Kepler's SECOND law of planetary motion.

1 - Helium

2 - neon

3 - ARGON

on dioxide, nitrogen and some OXYGEN are necessary for the growth of plants. For plants to grow, PHOTOSYNTHESIS is the most important PROCESS which PRIMARILY is driven by CARBON dioxide. Without this gas, plants cannot manufacture their own food.

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Explanation:

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ong>Answer:

ECOLOGY is the STUDY of the relationship between LIVING organisms and their environment. An ECOSYSTEM is a place, such as a rotting log, a forest, or even a schoolyard, where interactions between living and non-living things occur.

ong>Answer:

Each organism REPRODUCES to INCREASE their population so that they can maintain their existence on earth. As we KNOW that the environment is not the same everywhere and to adapt in every adverse condition variation is needed.

17. The surroundings where ORGANISMS LIVE is called

a. Adaptation

b. Habitat

c. Environment

d. ABIOTIC environment

b.Habitat

hydride(c)

Explanation:

HOPE it helos

ong>Answer:

Newton’s second law of motion can be stated as the acceleration of an object as PRODUCED by a net force is directly PROPORTIONAL to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

Let us consider an object of mass m, moving along a STRAIGHT line with an INITIAL velocity u. Let us say, after a certain time t, with a constant acceleration, the final velocity becomes v.Here we see that, the initial momentum

p1 = m × u

the final momentum

p2 = m × v

The change in momentum is

p2 – p1 = (m × v) – (m × u)

p2 – p1 = m (v – u)

The rate of change of momentum with respect to time is proportional to the applied force. The applied force is

F ∝ m (v – u)/t

or

F ∝ m × a

a = Rate of change of velocity/Time

F = k × m × a

k = proportionality constant.

Hence from the second law of motion, we GET force is the product of mass and acceleration i.e F = ma

ong>ANSWER:

odd=> xylem PARENCHYMA. reason=> Sieve CELLS,phloem fibres and phloem parenchyma are parts of phloem transport vessel but xylem parenchyma is only in xylem transport vessel.

Explanation:

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